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21 February 2007, 18:49
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#1 |
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Join Date: Oct 2004
Location: Ioannina/Greece
Posts: 5,040
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Modded cs-ppc , socketed oscillators on small "pcb"
I have sent my 200mhz csppc to JJB to upgrade the 060 with the newer mask one, and make a little mod to allow easy oscillator changes... I had the idea to put the oscs on the back side, and JJB made a small "pcb" that allows them to be socketed! I will test now the 64mhz 060...
sorry for the crap pic, I only have here a Nokia6680 , but you can get the idea....  
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21 February 2007, 19:02
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#2 |
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Join Date: Oct 2004
Location: Ioannina/Greece
Posts: 5,040
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I got a nice speed jump on the 060 side...
50mhz -> cpu ~65 mips , ~fpu 25 mflops 64mhz -> cpu ~85 mips , ~fpu 34 mflops |
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21 February 2007, 19:25
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#3 |
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Amiga-less!
Join Date: Feb 2005
Location: UK
Posts: 1,350
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Keropi....still got the old 68060?
Was thinking of upgrading my Apollo 1240 if I dont sell it. Got all the stuff bar the 060 chip |
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21 February 2007, 19:47
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#4 |
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Join Date: Oct 2004
Location: Ioannina/Greece
Posts: 5,040
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nop, I gave it to JJB and he deducted from the total....
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21 February 2007, 19:59
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#5 |
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Join Date: Oct 2004
Location: Ioannina/Greece
Posts: 5,040
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hm, 64mhz is not very good for classic chipset stuff.... anyone have spare a 60mhz osc?
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22 February 2007, 09:04
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#6 |
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Thalion Webshrine
Join Date: Jan 2004
Location: Oxford
Posts: 14,337
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It might be worth playing with the advance settings in the CPU060 program.
You can change the wait states of the RAM bus. By adding more wait states you should be able to clock the CPU higher without fear of crashing etc. |
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22 February 2007, 09:13
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#7 | |
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Amiga-Mad
Join Date: Oct 2004
Location: Sweden
Age: 46
Posts: 1,286
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Quote:
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22 February 2007, 09:47
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#8 |
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Join Date: Oct 2004
Location: Ioannina/Greece
Posts: 5,040
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cool Amigaz
 @alexh: I did not get any crashes, but I noticed some AGA pixels changing colors. turrican2 slave played music at ~70% of the normal speed, and I had to disable chipmem caching in whdload.prefs to fix that... also some goldengate crash occured, typical with high-speed amigas... for now I went back to the original 50mhz oscilator and all work great (I use this csppc on a 4000 with pIV and gg486slc) ... maybe it worths doing the small mod to allow 3 oscillators, and thus having the 060 clocked seperatelly... |
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22 February 2007, 12:21
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#9 |
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Ya' like it Retr0?
Join Date: Jul 2005
Location: United Kingdom
Age: 49
Posts: 9,768
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LOL i have an 80mhz osc....
whos brave? |
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26 March 2007, 15:21
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#10 |
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Retro Gamer
Join Date: Jan 2005
Location: Underworld
Age: 51
Posts: 4,058
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I just ordered new osc, 80 also included. Actually all I'm after was 50 but got 80 and 64 with it.
Is osc controlling Apollo1240 speed? |
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